Compass-ruler.



J. V. MANZ.

COMPASS RULER.

APPLICATION IILED MAY6,1910.

Patented Feb. 7, 1911.

L IA1VENTOR L/am es 1 /7a0L J ATTOHNE VS tft tlllltihlltjt JAMES V. IVIANZ, OF BROOKLYN. NEW YORK.

COMPASS -RULER.

tit-tome.

Application filed May 6, 1910. Serial No. 555) To all whom it may concern:

Be it known that I, Plums V. MANZ? o (lllZtli ot the United b'tdtes, and residing iii.

Brooklyn, in the county ol Kings and Htute 3 ol' Xew York. have ini'enled eerlain new :ind uselul linproretnenls in Colnptmsltnlers, o'l \Ylllt'll the :l'ollowirro' u sperilieztlion. sin-h as will entihle those skilled in the art to whieh it appertuins to nrnke and use the same.

This invention relates to earpenters tools and pzu'tieulurly to rulers, and the ohjeet thereof to provide :1. device of this elass with ultnehtnents whereby it may he used as n eonipass ruler or lor the purpose of dra\v ingg' eireles. the tires of rireles and \nt'iotts other figures or designs.

The invention is 'lnlly diselosed in the l'ollowing s u eilieutio|n ol whit-h the 'aeeonr panting drawing terms a port. in whieh the selinrzlte parts ol, my improvement u re desig no ted hy suitable reterenee eharaeters in earrh oi the views, and in Whitcl'i;---

l igt'tre l is a plan View 01. no ort linary eurpentei"s ruler provided with my improvement, p12 .t ol the eonstrueticni heing hrolcen. awn r; Fig. 2 a front \'lt looking in the direction of the arrow u of Fig. 1.; Fig. It :1 lrnnererse section on the line 3-4; of .l ig. 'l. nnd; Fig t :1 trnnererse set-lion on the line l----'t of Fig. 1.

In the drawing forming port of this speei- .liention l have shown at e on ordinary ruler,

one side edge ot sold ruler heing beveled as shown at 7 the heveled surleee thus formed being provided with a scale (1 representing inehes and freetiens thereof.

In the practice o'l' my invention 1 provide it. slide (3 which longitndinully tnovnhle on the ruler at, end whieh ninde ot spring: metal nnd the ruler is pttFlStltl. therethrough the slide may he tttljltfjtetl on. said-role and will remain in the ndjusted position until enllirient toree is ep iilied thereto to readjust; it or more it longittu liin'illy on the ruler.

The slide 7) it? 'n-orided in the top :utrt'ere thereof with n eentrnl ttiing'ne h whieh ere tends toward the front. edge ol. the "uler end the front end of said ttuigue 'l'hrnierl into :1 pointer [1" which operates in renn n-titer. with the settle n'nirlm ol. the scale o. ftiltl said slide 1) also provitiled with o lront extension L having it. vertieolly errunged pencil holder adopted to receive it peneil o. I

:lornied that when one end of Specification of Letters Patent.

utentetl Feb. '3. Hill.

also proride a thilnhle or rap-shaped end othu'hnient 1/ tor the ruler 1/, and this nttarlnnent may he stamped lroni sheet niet-nl or ln:t he nnlde in nn desired manner. The nttaelnnent is open at one end as shown :tl 1/ and adopted to reeeire the end 1/" ol' the ruler 1/, and at the 'l'ronlside or edge of the allaehnient and at the end thereof is pron; 1/ adopted to he forced into n hoard, tahle or other support and through :1 sheet of paper or other material a whieh nnrr he phn-ed on said hoard, table or other :--npporl.

The use ol' this derive will he readily understood front the l'oregoing deerrilition when talcen in eonnm-lion with the aeeonr moving druwintr end the l'ollowing stole- .nent thereol'.

ll' it he desired to draw eireles or other ligures on :1 sheet. r' ot paper or other niateriul the said sheet ol paper or other nnt lerial io plot-rd on n tnhle or other support. The prong or her 1/" is l'orred through the paper into the tnhle or other support; and the slide 7 having heen adjusted into the desired position :1. eirele may he drawn by simptr wringing or turning the ruler it with the prong or ha r 1/" serring as a pivot and it eirele. a port ol whieh is shown at f may he quit-lit) drown :is will he rendily understood.

lly adjusting the slide 0 on the rule a (irt'les or parts ol' eireh-s ol' tiny desired dituensions only he drown. end in order that the dimensions of a eirele drawn in this manner may he exert it will he understotul that the holder o'- ol, the peneit 0 must he loeuled on the are of the some eirele as the winter 7)" ol the slide o, and the non or.

her 1/" should he loeated at; the lwe; yiiiliii1g'0f the senle when the attarhnu-nt o is in posi llu'ring l'ully deserihed my invention,

what l claim as new, and desire to seettlo It preilehn'tnined length nnd provided at one side edge with n seaile :1. slid adopted to he passed on over one end ol suid ruler and to he adjusted thereon, snid slide heirrg prol ruler eonlposrd ol" :1 single pieee of ill) vided centrally of one side edge thereof With on thearc of a circle, the center of which is a pencil holder and being also provided ceni at said prong.

n'zflly thereof with 2; pointer which operates In testimony that I claim the foregoing in connection with said scale, and an end as my invenfinn I have signed my name in 5 cap into which one end of said ruler is presence of the subscribing wfcnesses this 15 adapted to be inserted, said cap beingpr0-. :Jrd dziy of May 1910.

vided a prong which When said cap is- I JAMES V. MANZ. in position 011 the ruler is atthe end of the Vfitnesses: scale, and the pointer of the-slide and the MULREAXY,

1 center of the pencil holder of the slide heini M. RYERSOX. 

